public static void SaveCustomer(Customer c)
{
CustomerDataLayer cDL = GetDataLayer();
cDL.SaveCustomer(c);
}
public static void DeleteCustomer(Customer c)
{
DeleteCustomer(c.CustomerNo);
}
public Customer LoadCustomer(String number)
{
Customer customer = null;
XDocument xDoc = XDocument.Load(this.DataSource);
var dbElement = (from item in xDoc.Descendants("Customers").Descendants("Customer")
where item.Attribute("number").Value == number
select item).FirstOrDefault();
if (dbElement != null)
{
customer = new Customer
{
CustomerNo = number,
Firstname = dbElement.Element("Firstname").Value,
Lastname = dbElement.Element("Lastname").Value,
Address = dbElement.Element("Address").Value,
ZipCode = dbElement.Element("ZipCode").Value,
City = dbElement.Element("City").Value,
Country = dbElement.Element("Country").Value
};
}
return customer;
}
public Boolean DeleteCustomer(Customer c)
{
return DeleteCustomer(c.CustomerNo);
}
public Boolean SaveCustomer(Customer c)
{
if (c == null)
{
throw new NullReferenceException("Customer is null");
}
XDocument xDoc = XDocument.Load(this.DataSource);
var dbElement = (from item in xDoc.Descendants("Customers").Descendants("Customer")
where item.Attribute("number").Value == c.CustomerNo
select item).FirstOrDefault();
if (dbElement != null)
{
dbElement.Element("Firstname").Value = c.Firstname;
dbElement.Element("Lastname").Value = c.Lastname;
dbElement.Element("Address").Value = c.Address;
dbElement.Element("ZipCode").Value = c.ZipCode;
dbElement.Element("City").Value = c.City;
dbElement.Element("Country").Value = c.Country;
}
else
{
dbElement = new XElement("Customer",
new XElement("Firstname", c.Firstname),
new XElement("Lastname", c.Lastname),
new XElement("Address", c.Address),
new XElement("ZipCode", c.ZipCode),
new XElement("City", c.City),
new XElement("Country", c.Country),
new XElement("Activities"));
dbElement.Add(new XAttribute("number", c.CustomerNo));
xDoc.Element("Customers").Add(dbElement);
}
xDoc.Save(".\\DataSource.Xml");
return true;
}
private void SaveCustomer()
{
Boolean isEdit = (txtCustomerNo.Enabled == false);
Customer c = new Customer();
c.CustomerNo = txtCustomerNo.Text;
c.Firstname = txtFirstname.Text;
c.Lastname = txtLastname.Text;
c.Address = txtAddress.Text;
c.ZipCode = txtZip.Text;
c.City = txtCity.Text;
c.Country = txtCountry.Text;
if(isEdit == true)
{
CustomerManager.SaveCustomer(c);
}
else
{
CustomerManager.CreateNewCustomer(c);
}
ClearAll();
ShowAllCustomers();
}
